Composite construction

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Solution Overview

Problem

Existing inflatable sleeping pads face challenges in incorporating reflective layers for insulation and radiant barriers, leading to increased weight, complexity, and construction costs, with limited reflective and emissive properties due to bonding difficulties and aperture requirements.

Innovation Solution

A composite construction with layers comprising face fabrics, metallic layers, and bonding polymer layers, where metallic layers are integrally formed with baffles and bonded without apertures, using PVD and plasma treatments for improved adhesion, allowing for continuous reflective surfaces and reduced weight.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If reflective layers are added to enhance insulation, then thermal retention is improved, but weight increases

Engineering Contradiction:

Improvethermal retentionVSAvoidweight

Core Design Contradiction:

TemperatureVSWeight of moving object

Solution Approach 1:

The patent uses thin metallic layers (aluminum or other metals) deposited as flexible films within the inflatable pad structure. These thin films provide reflective insulation properties while maintaining lightweight characteristics, resolving the contradiction between thermal retention and weight by using thin-film technology rather than bulky insulating materials.

Inventive Principle:

Principle #30Flexible shells and thin films

Solution Approach 2:

The patent creates a composite structure combining inflatable chambers with integrated metallic reflective layers. This composite construction combines the lightweight, supportive properties of inflatable material with the thermal reflective properties of metal layers, achieving both insulation and weight reduction simultaneously.

Inventive Principle:

Principle #40Composite materials

2Temperature

If bonding layers are added to include reflective layers, then construction complexity increases, but reflective properties are maintained

Engineering Contradiction:

Improvereflective propertiesVSAvoidconstruction complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The patent merges the bonding function and reflective function into a single integrated layer. The metallic layer serves both as the reflective surface for thermal insulation and as the bonding substrate for attaching to the inflatable material, eliminating the need for separate bonding layers and apertures while maintaining reflective properties.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent extracts and eliminates the complex aperture array and separate bonding layer components from traditional reflective insulation designs. By using a continuous metallic layer that can be directly bonded to the inflatable material, the design removes unnecessary complexity while preserving the essential reflective function.

Inventive Principle:

Principle #2Taking out (Extraction)

3Ease of manufacture

If aperture arrays are formed in reflective materials for bonding, then bonding is enabled, but reflective properties are limited

Engineering Contradiction:

Improvebonding capabilityVSAvoidreflective properties

Core Design Contradiction:

Ease of manufactureVSTemperature

Solution Approach 1:

Instead of creating apertures in the reflective layer to enable bonding (which compromises reflectivity), the patent inverts the approach by making the reflective layer itself the bonding surface. The metallic layer is deposited in a continuous form that can be directly bonded to the inflatable material without requiring holes or apertures, thus maintaining full reflective properties while enabling manufacturing.

Inventive Principle:

Principle #13The other way round (Inversion)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution provides enhanced thermal retention, reduced weight, and simplified construction by ensuring optimal placement and bonding of reflective layers, improving comfort and thermal efficiency while minimizing material consumption and manufacturing complexity.

Implementation Method 1

reflective layers which may enhance the insulative properties provided by the pad by reflecting thermal energy from the body of a user

Methodology Applied

Scientific EffectThermal radiation reflection: Reflection

Implementation Method 2

The metal layer may be vapour deposited onto a polymer layer

Methodology Applied

Scientific EffectPhysical vapor deposition: Physical Vapour Deposition

Implementation Method 3

using PVD and plasma treatments for improved adhesion

Methodology Applied

Scientific EffectPlasma treatment: Plasma

Data Source

PatentUS20260053283A1Composite construction

Publication Date: 2026.02.26 XEFCO PTY LTD

AI summary

The present disclosure may be directed to a composite construction. The composite construction comprising an upper layer with an upper face fabric and an upper lining. A lower layer with a lower face fabric and a lower lining; and wherein at least one of the upper layer and the lower layer includes a metal layer and a bonding layer fixed to said metal layer.